Sixty children age 6 to 18 attending the Anxiety clinic in Schneider Children's Medical Center of Israel will be included. All subjects will be treated with a manualized 12-18 week Prolonged Exposure protocol. Participants will undergo assessments, which will include interviews, questionnaires and neuropsychological tests concerning symptoms of PTSD, emotional and cognitive functioning. Ratings and neuropsychological testing will be made at baseline and following completion of treatment. Follow up will include questionnaires ratings at 2 weeks, 4 weeks and 12 weeks after completion of treatment.